135636275779 has 8 divisors (see below), whose sum is σ = 136274656608. Its totient is φ = 134999219520.

The previous prime is 135636275759. The next prime is 135636275791. The reversal of 135636275779 is 977572636531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135636275779 - 2⁹ = 135636275267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135636275759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125562 + ... + 535759.

It is an arithmetic number, because the mean of its divisors is an integer number (17034332076).

Almost surely, 2^135636275779 is an apocalyptic number.

135636275779 is a deficient number, since it is larger than the sum of its proper divisors (638380829).

135636275779 is an equidigital number, since it uses as much as digits as its factorization.

135636275779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662285.

The product of its digits is 50009400, while the sum is 61.

The spelling of 135636275779 in words is "one hundred thirty-five billion, six hundred thirty-six million, two hundred seventy-five thousand, seven hundred seventy-nine".